<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:shiro="http://www.pollix.at/thymeleaf/shiro">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<marquee style="font-weight: bolder;font-size: 40px;">欢迎"<span shiro:principal property="staffName" ></span>"进入后台系统！</marquee>
</body>
</html>